Update app.py

app.py

@@ -69,7 +69,7 @@ def get_args_parser():
                                                          "If None, will search for an available port starting at 7860."),
                         default=None)
     parser.add_argument("--weights", type=str, default="./checkpoints/DUSt3R_ViTLarge_BaseDecoder_512_dpt.pth", required=False, help="path to the model weights")
-    parser.add_argument("--device", type=str, default='cuda', help="pytorch device")
+    parser.add_argument("--device", type=str, default='cpu', help="pytorch device")
     parser.add_argument("--tmp_dir", type=str, default=None, help="value for tempfile.tempdir")
     return parser